Round|Lab Grown|IGI

1.05ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG778658590

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778658590

Diamond specifications and retailer prices

From $212 AUD
$149 USD
As of October 29, 2026
Save $1,026 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,238 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778658590 or 778658590. Listed at 18 retailers as of October 29, 2026, with prices from $212 to $1,238, a $1,026 spread on the same certified stone. MOH London lists it at $1,238. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778658590
Dimensions6.60 × 6.57 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.60 mm6.57 mm1.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778658590
Side View
Table 63.0%Crown 33°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,238 AUD|Low: $205 AUD|High: $1,267 AUD|Avg: $556 AUD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 7$212 AUD
Retailer 5$238 AUD
Retailer 3$246 AUD
Retailer 4$263 AUD
Retailer 16$263 AUD
Retailer 17$446 AUD
Retailer 14$453 AUD
Retailer 12$483 AUD
Retailer 2$485 AUD
Retailer 10$584 AUD
Retailer 15$642 AUD
Retailer 13$680 AUD
Retailer 11$720 AUD
Retailer 6$724 AUD
Retailer 18$847 AUD
Retailer 8$853 AUD
Retailer 9$926 AUD
MOH London$1,238 AUD

30 data points across 18 retailers

18 retailers$212 AUD to $1,238 AUD

A
Cheapest Retailer
-
$212 AUD
$149 USD
A
Retailer 2
-
$246 AUD
$173 USD
View
Retailer 3
-
$263 AUD
$185 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$263 AUD
$185 USD
View
A
Retailer 5
-
$446 AUD
$313 USD
View
A
Retailer 6
-
$453 AUD
ZAR 5,135 ZAR
View
A
Retailer 7
-
$483 AUD
$339 USD
View
A
Retailer 8
-
$485 AUD
£268 GBP
View
Retailer 9
-
$584 AUD
$410 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$642 AUD
View
B+
Retailer 11
-
$680 AUD
$478 USD
View
B+
Retailer 12
-
$720 AUD
$506 USD
View
B+
Retailer 13
-
$724 AUD
SGD 687 SGD
View
Retailer 14
-
$843 AUD
$592 USD
View
Price last confirmed 41 days ago
B+
Retailer 15
-
$847 AUD
$595 USD
View
B+
Retailer 16
-
$853 AUD
$599 USD
View
B+
Retailer 17
-
$926 AUD
$651 USD
View
Most Expensive
B
MOH London
LG778658590 · Oct 29
$1,238 AUD
£685 GBP
View
17 more retailers have this diamond
Prices start from $212 AUDSave up to $1,026 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.05ct Round
$212 AUD